Removing and Replacing Alternator Drive Belt, M57 Diesel

11 28 010 Removing and installing / replacing drive belt for alternator (M57T2 [M57Y] diesel)





Necessary preliminary tasks:
- Remove fan cowl
- Remove air conditioning compressor drive belt.

Check drive belt for coolant and oil residues, replace if necessary.





Important!
The drive belt must be replaced if it is contaminated with hydraulic fluid.





Note:
If the drive belt is to be reused, mark direction of travel and reinstall drive belt in same direction of rotation.





Important!
- Belt tensioner is under spring pressure.
- Press belt tensioner (1) back in direction of arrow
- Remove drive belt (2).










Assemble engine.